.search{
    width: 900px;
    height: 60px;
    border: 2px blue solid;
    margin: 10px auto;
    padding: 15px;
    display: flex;
    box-sizing: initial;
}
.search input{
    width: 600px;
    height: 50px;
    font-size:15px;
    padding-left: 10px;
}
.search button{
    width: 55px;
    height: 50px;
    font-size:15px;
}
.lists{
    width: 600px;
    height: 60px;
    margin: 10px auto;
}
.play{
    width: 600px;
    height: 60px;
    margin: 10px auto;
}
audio{
    width: 600px;
    height: 60px;
}
.running{
    width:50px;
    height: 50px;
    background-color: orange;
    border-radius: 50%;
    text-align: center;

}
.running h2{
    line-height: 50px;
    margin: 0;
}
#music-list{
    width: 900px;
    margin: 0 auto;
}